Cheap Spectrometers are really Damn Useful.

We wanted to demonstrate the kind of things that you can get done with spectrometers like this, what you can expect and the limitations that these kinds of devices have.

Little Garden Spectrometer, AliExpress link
https://www.aliexpress.us/item/100500...

Send an email to Torch Bearer (the manufacturers of the TLM2).
If you would like them to release this product outside of China, then you will need to tell them so. They really don't believe that there is any market for such devices outside of Mainland China... Please be respectful.
[email protected]
https://www.torchbearer.tech/contact....

Reference Spectra
Please help to keep this site online, it was really helpful in making this video!
https://atomic-spectra.net/index.php

AliExpress link to gas tubes
https://www.aliexpress.us/item/100500...

Northern Lights Video Footage
   • Night of the Northern Lights  

Lightening Video Footage
   • LIGHTNING STORMS AT NIGHT - Supercell...  

00:00 Introduction
02:32 Setting up the experiments
07:01 Imaging the visible glow
10:27 Imaging the infrared glow
14:14 Measuring the reference spectra
18:22 A detective story...
22:53 The TLM-2 spectrometers
26:28 Summary
29:09 Closeout